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      1 /*	$NetBSD: ds1743reg.h,v 1.1 2002/12/09 12:16:23 scw Exp $	*/
      2 
      3 /*
      4  * Copyright 2001-2002 Wasabi Systems, Inc.
      5  * All rights reserved.
      6  *
      7  * Written by Simon Burge and Eduardo Horvath for Wasabi Systems, Inc.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  * 3. All advertising materials mentioning features or use of this software
     18  *    must display the following acknowledgement:
     19  *      This product includes software developed for the NetBSD Project by
     20  *      Wasabi Systems, Inc.
     21  * 4. The name of Wasabi Systems, Inc. may not be used to endorse
     22  *    or promote products derived from this software without specific prior
     23  *    written permission.
     24  *
     25  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
     26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     27  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     28  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
     29  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     30  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     33  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     35  * POSSIBILITY OF SUCH DAMAGE.
     36  */
     37 
     38 #ifndef __DS1501_H__
     39 #define __DS1501_H__
     40 
     41 /* Dallas Semiconductor DS1501/DS1511 Watchdog RTC */
     42 
     43 #define DS_SECONDS	0x1ff9
     44 #define DS_MINUTES	0x1ffa
     45 #define DS_HOURS	0x1ffb
     46 #define DS_DAY		0x1ffc
     47 #define DS_DATE		0x1ffd
     48 #define DS_MONTH	0x1ffe
     49 #define DS_YEAR		0x1fff
     50 #define DS_CENTURY	0x1ff8
     51 
     52 
     53 #define DS_CTL_R	0x40	/* R bit in the century register */
     54 #define DS_CTL_W	0x80	/* W bit in the century register */
     55 #define DS_CTL_RW	(DS_CTL_R|DS_CTL_W)
     56 
     57 #define DS_CTL_OSC	0x80	/* ~OSC BIT in the seconds register */
     58 
     59 #define DS_CTL_BF	0x80	/* BF(battery failure) bit in the day register */
     60 #define DS_CTL_FT	0x40	/* FT(frequency test) bit in the day register */
     61 
     62 #define DS_RAM_SIZE	0x1ff8
     63 
     64 #define DS_SIZE		0x2000
     65 
     66 #endif /* __DS1501_H__ */
     67